Re: [PATCH] thermal/drivers/hisi: Remove confusing error message

Daniel Lezcano
2017-08-22T08:25:14Z

On 22/08/2017 10:04, Leo Yan wrote:
> Hi Daniel,
>
> On Mon, Aug 21, 2017 at 12:06:17PM +0200, Daniel Lezcano wrote:
>
> [...]
>
>> Hi Leo,
>>
>> a cleanest solution would be either:
>>
>> - add the 3 missing thermal sensors in the DT and default to the id 2
>
> Yeah, so do you think below change works for you?

Isn't it possible to set the delay also ? so we don't have to send
another patch if we want to use one of those instead of 2.

> ---8<---
>
> ARM64: dts: hisilicon: add missed thermal sensors for Hi6220
>
> The thermal driver tries to register four sensors but the DT only binds
> one sensor (sensor ID 2) with thermal zone, as result the thermal driver
> reports failure for missed thermal sensor binding.
>
> This patch adds missed thermal sensor for Hi6220, so can dismiss the
> booting failure log.
>
> diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> index eacbe0d..44c2bc7 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> @@ -833,6 +833,18 @@
>
> thermal-zones {
>
> + local: local {
> + polling-delay = <0>;
> + polling-delay-passive = <0>;
> + thermal-sensors = <&tsensor 0>;
> + };
> +
> + cls1: cls1 {
> + polling-delay = <0>;
> + polling-delay-passive = <0>;
> + thermal-sensors = <&tsensor 1>;
> + };
> +
> cls0: cls0 {
> polling-delay = <1000>;
> polling-delay-passive = <100>;
> @@ -862,6 +874,12 @@
> };
> };
> };
> +
> + gpu: gpu {
> + polling-delay = <0>;
> + polling-delay-passive = <0>;
> + thermal-sensors = <&tsensor 3>;
> + };
> };
>
>
>> or
>>
>> - remove all the code assuming 4 sensors and deal with the one unique
>> sensor
>
> I personally prefer to avoid doing this, if only register one unique
> sensor this will let us have no flexiblity for trying multiple sensors
> on this platform.

Ok, I will on the other side give a cleanup in the driver to optimize
the sensors lookup.

Thanks
-- Daniel

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